Persistent morbidity after Medial Patellofemoral Ligament Reconstruction: A registry study with an eight-year follow-up on a nationwide cohort from 1996 to 2014

Kasper Skriver Gravesen; Thomas Kallemose; Lars Blønd; Anders Troelsen; Kristoffer Weisskirchner Barfod

doi:10.1016/j.knee.2018.10.013

Persistent morbidity after Medial Patellofemoral Ligament Reconstruction: A registry study with an eight-year follow-up on a nationwide cohort from 1996 to 2014

Kasper Skriver Gravesen, Thomas Kallemose, Lars Blønd, Anders Troelsen, Kristoffer Weisskirchner Barfod

Department of Clinical Medicine

3 Citations (Scopus)

Abstract

BACKGROUND: To evaluate the trends in treatment of patellar dislocation in the Danish population as a whole from 1996 to 2014 and evaluate the incidence of persistent morbidity after Medial Patellofemoral Ligament Reconstruction (MPFL-R).

METHODS: This epidemiological study was performed by retrospectively searching the Danish National Patients Registry from 1996 to 2014. The study investigated the trends in surgery performed on patients with patellar dislocations and the risk of persistent patellar morbidity (PPM) with an eight-year follow-up. PPM was defined as a new patella-related contact to the healthcare system more than a year after surgery.

RESULTS: From 1996 to 2014, a total of 1956 MPFL-R were performed in Denmark. In 2014, MPFL-R constituted 75% of all patella-stabilizing surgery and was performed on almost 10% of patients with patellar dislocation. The mean risk of PPM eight years after surgery was 20.9% (18.3-23.4%), and young patients aged 10-17 showed the highest risk of 28.9% (23.7-33.7%). The risk of PPM over time was significantly higher for other patella-stabilizing surgery (33.8%) and patients receiving conservative treatment (29.4%) compared to MPFL-R.

CONCLUSIONS: A rapid rise in the use of MPFL-R was found from 2005 to 2014, constituting 75% of all patella-stabilizing surgery in 2014. The overall risk of persistent patellar morbidity within eight years after MPFL-R was 21%. MPFL-R was found to give a significantly lower risk of PPM over time as compared to other patella-stabilizing surgery and conservative treatment.

Original language	English
Journal	The Knee
Volume	26
Issue number	1
Pages (from-to)	20-25
ISSN	0968-0160
DOIs	https://doi.org/10.1016/j.knee.2018.10.013
Publication status	Published - Jan 2019

Keywords

Adolescent
Adult
Child
Denmark/epidemiology
Female
Follow-Up Studies
Humans
Incidence
Ligaments, Articular/surgery
Male
Patella/surgery
Patellar Dislocation/diagnosis
Patellofemoral Joint/surgery
Population Surveillance
Registries
Retrospective Studies
Time Factors

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10.1016/j.knee.2018.10.013

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@article{c83b8f233c434190a2de2525bece5cff,

title = "Persistent morbidity after Medial Patellofemoral Ligament Reconstruction: A registry study with an eight-year follow-up on a nationwide cohort from 1996 to 2014",

abstract = "BACKGROUND: To evaluate the trends in treatment of patellar dislocation in the Danish population as a whole from 1996 to 2014 and evaluate the incidence of persistent morbidity after Medial Patellofemoral Ligament Reconstruction (MPFL-R).METHODS: This epidemiological study was performed by retrospectively searching the Danish National Patients Registry from 1996 to 2014. The study investigated the trends in surgery performed on patients with patellar dislocations and the risk of persistent patellar morbidity (PPM) with an eight-year follow-up. PPM was defined as a new patella-related contact to the healthcare system more than a year after surgery.RESULTS: From 1996 to 2014, a total of 1956 MPFL-R were performed in Denmark. In 2014, MPFL-R constituted 75% of all patella-stabilizing surgery and was performed on almost 10% of patients with patellar dislocation. The mean risk of PPM eight years after surgery was 20.9% (18.3-23.4%), and young patients aged 10-17 showed the highest risk of 28.9% (23.7-33.7%). The risk of PPM over time was significantly higher for other patella-stabilizing surgery (33.8%) and patients receiving conservative treatment (29.4%) compared to MPFL-R.CONCLUSIONS: A rapid rise in the use of MPFL-R was found from 2005 to 2014, constituting 75% of all patella-stabilizing surgery in 2014. The overall risk of persistent patellar morbidity within eight years after MPFL-R was 21%. MPFL-R was found to give a significantly lower risk of PPM over time as compared to other patella-stabilizing surgery and conservative treatment.",

keywords = "Adolescent, Adult, Child, Denmark/epidemiology, Female, Follow-Up Studies, Humans, Incidence, Ligaments, Articular/surgery, Male, Patella/surgery, Patellar Dislocation/diagnosis, Patellofemoral Joint/surgery, Population Surveillance, Registries, Retrospective Studies, Time Factors",

author = "Gravesen, {Kasper Skriver} and Thomas Kallemose and Lars Bl{\o}nd and Anders Troelsen and Barfod, {Kristoffer Weisskirchner}",

year = "2019",

month = jan,

doi = "10.1016/j.knee.2018.10.013",

language = "English",

volume = "26",

pages = "20--25",

journal = "The Knee",

issn = "0968-0160",

publisher = "Elsevier",

number = "1",

}

TY - JOUR

T1 - Persistent morbidity after Medial Patellofemoral Ligament Reconstruction

T2 - A registry study with an eight-year follow-up on a nationwide cohort from 1996 to 2014

AU - Gravesen, Kasper Skriver

AU - Kallemose, Thomas

AU - Blønd, Lars

AU - Troelsen, Anders

AU - Barfod, Kristoffer Weisskirchner

PY - 2019/1

Y1 - 2019/1

N2 - BACKGROUND: To evaluate the trends in treatment of patellar dislocation in the Danish population as a whole from 1996 to 2014 and evaluate the incidence of persistent morbidity after Medial Patellofemoral Ligament Reconstruction (MPFL-R).METHODS: This epidemiological study was performed by retrospectively searching the Danish National Patients Registry from 1996 to 2014. The study investigated the trends in surgery performed on patients with patellar dislocations and the risk of persistent patellar morbidity (PPM) with an eight-year follow-up. PPM was defined as a new patella-related contact to the healthcare system more than a year after surgery.RESULTS: From 1996 to 2014, a total of 1956 MPFL-R were performed in Denmark. In 2014, MPFL-R constituted 75% of all patella-stabilizing surgery and was performed on almost 10% of patients with patellar dislocation. The mean risk of PPM eight years after surgery was 20.9% (18.3-23.4%), and young patients aged 10-17 showed the highest risk of 28.9% (23.7-33.7%). The risk of PPM over time was significantly higher for other patella-stabilizing surgery (33.8%) and patients receiving conservative treatment (29.4%) compared to MPFL-R.CONCLUSIONS: A rapid rise in the use of MPFL-R was found from 2005 to 2014, constituting 75% of all patella-stabilizing surgery in 2014. The overall risk of persistent patellar morbidity within eight years after MPFL-R was 21%. MPFL-R was found to give a significantly lower risk of PPM over time as compared to other patella-stabilizing surgery and conservative treatment.

AB - BACKGROUND: To evaluate the trends in treatment of patellar dislocation in the Danish population as a whole from 1996 to 2014 and evaluate the incidence of persistent morbidity after Medial Patellofemoral Ligament Reconstruction (MPFL-R).METHODS: This epidemiological study was performed by retrospectively searching the Danish National Patients Registry from 1996 to 2014. The study investigated the trends in surgery performed on patients with patellar dislocations and the risk of persistent patellar morbidity (PPM) with an eight-year follow-up. PPM was defined as a new patella-related contact to the healthcare system more than a year after surgery.RESULTS: From 1996 to 2014, a total of 1956 MPFL-R were performed in Denmark. In 2014, MPFL-R constituted 75% of all patella-stabilizing surgery and was performed on almost 10% of patients with patellar dislocation. The mean risk of PPM eight years after surgery was 20.9% (18.3-23.4%), and young patients aged 10-17 showed the highest risk of 28.9% (23.7-33.7%). The risk of PPM over time was significantly higher for other patella-stabilizing surgery (33.8%) and patients receiving conservative treatment (29.4%) compared to MPFL-R.CONCLUSIONS: A rapid rise in the use of MPFL-R was found from 2005 to 2014, constituting 75% of all patella-stabilizing surgery in 2014. The overall risk of persistent patellar morbidity within eight years after MPFL-R was 21%. MPFL-R was found to give a significantly lower risk of PPM over time as compared to other patella-stabilizing surgery and conservative treatment.

KW - Adolescent

KW - Adult

KW - Child

KW - Denmark/epidemiology

KW - Female

KW - Follow-Up Studies

KW - Humans

KW - Incidence

KW - Ligaments, Articular/surgery

KW - Male

KW - Patella/surgery

KW - Patellar Dislocation/diagnosis

KW - Patellofemoral Joint/surgery

KW - Population Surveillance

KW - Registries

KW - Retrospective Studies

KW - Time Factors

U2 - 10.1016/j.knee.2018.10.013

DO - 10.1016/j.knee.2018.10.013

M3 - Journal article

C2 - 30502935

SN - 0968-0160

VL - 26

SP - 20

EP - 25

JO - The Knee

JF - The Knee

IS - 1

ER -

Persistent morbidity after Medial Patellofemoral Ligament Reconstruction: A registry study with an eight-year follow-up on a nationwide cohort from 1996 to 2014

Abstract

Keywords

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